diff --git a/pydatastructs/linear_data_structures/arrays.py b/pydatastructs/linear_data_structures/arrays.py
index 2e0c3fd9..61aac240 100644
--- a/pydatastructs/linear_data_structures/arrays.py
+++ b/pydatastructs/linear_data_structures/arrays.py
@@ -421,6 +421,9 @@ def delete(self, idx):
     @property
     def size(self):
         return self._size
+    
+    def __len__(self):
+        return self._num
 
     def __str__(self):
         to_be_printed = ['' for _ in range(self._last_pos_filled + 1)]